Yoko Nishihara Yuichi Takahashi Yukio Ohsawa Discourse Analysis of Communication Generating Social Creativity. 1-8 2009 KES (2) http://dx.doi.org/10.1007/978-3-642-04592-9_1 conf/kes/2009-2 db/conf/kes/kes2009-2.html#NishiharaTO09